2210330121 has 4 divisors (see below), whose sum is σ = 2947106832. Its totient is φ = 1473553412.

The previous prime is 2210330117. The next prime is 2210330159. The reversal of 2210330121 is 1210330122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2210330121 - 2² = 2210330117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210330121.

It is not an unprimeable number, because it can be changed into a prime (2210330321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368388351 + ... + 368388356.

It is an arithmetic number, because the mean of its divisors is an integer number (736776708).

Almost surely, 2^2210330121 is an apocalyptic number.

It is an amenable number.

2210330121 is a deficient number, since it is larger than the sum of its proper divisors (736776711).

2210330121 is an equidigital number, since it uses as much as digits as its factorization.

2210330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736776710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2210330121 is about 47014.1480939515. The cubic root of 2210330121 is about 1302.6239155221.

Adding to 2210330121 its reverse (1210330122), we get a palindrome (3420660243).

Subtracting from 2210330121 its reverse (1210330122), we obtain a palindrome (999999999).

The spelling of 2210330121 in words is "two billion, two hundred ten million, three hundred thirty thousand, one hundred twenty-one".